Fri · October 16
Viva Nampa Festival
A free downtown festival with street food, local vendors, folklórico performances, and the 208 Night Market.
- Time
- 6:00-10:00 PM
- Location
- Lloyd Square, Downtown Nampa, Nampa, ID
- Cost
- Free
Weekend events, Treasure Valley
Boise this weekend, verified
This page lists real, sourced events happening in Boise and the Treasure Valley this weekend, October 16-18, 2026. Each pick links to its official page, and every detail here was checked against a public source before it was published. If a detail cannot be verified, it is marked for you to confirm with the organizer.
Weekend of October 16-18, 2026 Every pick links to its official page
for October 16-18, 2026
This weekend
Seven verified picks for October 16-18, 2026
A mix of free community festivals, ticketed shows, markets, and seasonal outings across Boise, Nampa, and Garden City. Times, prices, and availability change, so confirm with the organizer before you go.
Fri · October 16 & 17
The Addams Family, Music Theatre of Idaho
The kooky-family musical staged by Music Theatre of Idaho, with performances Friday evening and a Saturday matinee plus evening show.
- Time
- Fri 7:30 PM; Sat 1:30 PM & 7:30 PM
- Location
- Nampa Civic Center, 311 3rd Street South, Nampa, ID
- Cost
- Ticketed; confirm pricing with the venue
Fri · October 16
Chelsea Handler: The High and Mighty Tour
A night of stand-up comedy from Chelsea Handler at Boise's Morrison Center, presented by Live Nation.
- Time
- Doors 7:00 PM; show 8:00 PM
- Location
- Morrison Center for the Performing Arts, 2201 W. Cesar Chavez Lane, Boise, ID
- Cost
- Tickets from about $61; confirm current pricing with the venue
Sat · October 17 & 18
Treasure Valley Flea Market
Antiques, collectibles, and local vendors across the Expo Idaho grounds, open both Saturday and Sunday.
- Time
- Sat 9:00 AM-5:00 PM; Sun 10:00 AM-4:00 PM
- Location
- Expo Idaho, 5610 N. Glenwood St, Garden City, ID
- Cost
- $3 adults, $2 seniors, free for children 12 and under
Sat · October 17
Behind the Scenes Tours, Old Idaho Penitentiary
Evening behind-the-scenes tours of Idaho's historic territorial prison, part of the penitentiary's Locktober series.
- Time
- 6:00-10:00 PM (last admission 9:00 PM)
- Location
- Old Idaho Penitentiary, 2445 Old Penitentiary Rd, Boise, ID
- Cost
- $15; free for Idaho State Historical Society members
Sat · October 16 & 17
Shindig Farms Haunted Straw Maze
A haunted edition of Idaho's largest straw maze, open Friday and Saturday nights through October.
- Time
- Gates 8:00 PM; last ticket 10:30 PM
- Location
- Shindig Farms, ID-45 & Scism Rd, Nampa, ID
- Cost
- Ticketed; confirm pricing with the farm
Sun · October 18
Idaho Brocante Antique Home & Garden Fair
A curated antiques, home, and garden market from The Boise Flea, closing out its season for the year.
- Time
- 10:00 AM
- Location
- 3011 W. State St, Boise, ID
- Cost
- Confirm details with the organizer
Events are researched weekly from official sources and this lineup replaces the previous weekend's picks. Details such as times, prices, and availability can change after publication; confirm anything you rely on with the organizer. This site is independent and is not affiliated with, sponsored by, or endorsed by any event, venue, or organizer listed here.
Primary sources
Where can you verify these events yourself?
Every pick above links to its official page. These official calendars are the best places to check for the latest times, tickets, and additions.
Downtown Nampa Association events
Downtown Nampa festivals and night markets, including Viva Nampa.
Open sourceNampa Civic Center calendar
Theater, concerts, and community events at the Civic Center.
Open sourceExpo Idaho event calendar
Fairs, markets, and shows at the Expo Idaho grounds in Garden City.
Open sourceIdaho State Historical Society events
Old Idaho Penitentiary tours and statewide history programs.
Open sourceShindig Farms
Pumpkin patch, straw maze, and haunted maze hours and tickets.
Open sourceThis Is Boise
A local roundup of Treasure Valley events, updated monthly.
Open sourceExploring the area before you move?
Weekend events are a great way to get a feel for a town before you commit to it. Paul Knighton and Michelle Wilson, both with MORE Realty, help out-of-state Micron relocators compare neighborhoods and buy with current numbers. Call or text Paul at (208) 369-7447 or Michelle at (253) 549-6083.